Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4358471 | Control apparatus | Thomas Derkacs, Charles W. Fetheroff, Istvan Toth | 1982-11-09 |
| 4334495 | Method and apparatus for use in making an object | Thomas Derkacs, Charles W. Fetheroff, Istvan Toth | 1982-06-15 |